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Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Related Party Transaction [Line Items]            
Operating expenses $ 571   $ 408 $ 1,041 $ 840  
Prepaid expenses and other current assets 126     126   $ 129
Accounts payable $ 57     $ 57   72
Related Party            
Related Party Transaction [Line Items]            
Related party transaction, amounts of transaction   $ 0 0    
Operating expenses   $ 8 $ 6   $ 11  
Prepaid expenses and other current assets           13
Accounts payable           $ 0